150 Watt Quartz motion sensing light features Selectable Light Timer. Allows you to select a setting of minutes before automatically shutting off lights after motion has stopped. Automatic Photocell deactivates unit in daylight. Manual Override to turn light off or on at your convenience with existing indoor wall switch. Allows light to stay on continuously all night when needed. 150 Watts of light. Adjustable detection range from 15 to 70 feet.